The D51 is engineered for 401–500L (approximately 106–132 gallons) diesel fuel tanks. This makes it ideal for Class 8 heavy-duty trucks, transit buses, construction equipment, and other large diesel vehicles. If your tank is smaller (around 200L), consider the D20/D21 instead. For tanks over 500L or dual-tank setups (common in long-haul trucks), you'll typically need 2–3 units—contact us for fleet configuration advice.

No engine modifications required. The D51 is a non-invasive device installed directly into your fuel tank. The key is to position it away from the fuel level sensor float to avoid interfering with your gauge readings. Installation is straightforward for mechanics familiar with fuel systems, but we recommend professional installation to ensure correct placement and optimal performance. Once installed, it's maintenance-free for its entire 10-year lifespan.

Real-world fleet data shows fuel savings typically range from 5–25%, depending on vehicle condition, duty cycle, and maintenance history. For example, IFFCO's UAE fleet (six 550L trucks) averaged 7.4% monthly savings, while Saudi logistics fleets saw up to 18%. Older vehicles or those with poor maintenance may see more modest gains, while well-maintained fleets often hit the higher end. The D51 improves combustion efficiency—it's not magic, but it's measurable.

Independent testing shows emissions reductions up to 85% for HC, CO, and NOx, with actual results varying by vehicle age and condition. The technology is certified by TÜV Rheinland (Germany), Taiwan, Australia's DOTARS/Orbital (ADR-79/81), and successfully upgraded India's KSRTC fleet from BSII to BSIV emissions standards. If you're facing stricter emissions regulations, the D51 can help older fleets stay compliant without expensive engine retrofits.

The D51 uses a proprietary ceramic formula that emits far-infrared radiation (FIR) when in contact with diesel fuel. This breaks down fuel molecule clusters, reduces viscosity, and creates finer atomization during combustion. The result: more complete burning, less wasted fuel, and significantly lower emissions. It's a physical process—no chemicals, no filters to replace, no moving parts. The ceramic remains active for approximately 10 years with zero maintenance.

Yes. The D51 works with standard diesel, biodiesel blends, and even low-sulfur diesel. It's a passive device that doesn't introduce any chemicals or alter fuel chemistry—it simply optimizes the physical state of the fuel before combustion. Safe for Cummins, Detroit, Caterpillar, Volvo, Mercedes, and all major diesel engine brands. It won't void warranties because there's no mechanical interference with the engine itself.

The D51 is a B2B product designed for fleet operators, authorized distributors, logistics companies, transit agencies, and commercial buyers managing multiple heavy-duty vehicles. It's not sold for casual or individual consumer use. If you're running a fleet of trucks, buses, or heavy machinery and want to reduce fuel costs and emissions at scale, the D51 is built for you. Single-unit buyers should be owner-operators or businesses validating the technology for future fleet-wide deployment.

No. Greentech does not provide free trials, risk-free pilots, or client-funded POCs. Your first commercial order serves as your validation phase. This is standard across our B2B model—proven fleets like KSRTC India, IFFCO UAE, and Volvo/Mercedes operations in Portugal all started with paid initial orders. We're confident in the technology, and real-world results speak for themselves. If you need validation data before committing, we can share third-party test reports and case studies from similar fleets.

Pricing is provided on a quote basis after we understand your fleet size, vehicle types, and deployment timeline. If you're interested in becoming an authorized distributor, we'll need your company details, target region(s), and estimated first-order volume. Important: distributor pricing only applies to regions without existing authorized partners. If your target market already has a Greentech distributor, we cannot offer overlapping authorization. Contact us with your information, and our team (Rita) will follow up with a formal quote and territory availability.

The D51 has an approximate 10-year operational lifespan under normal use, with no maintenance required. Warranty terms are discussed during the commercial purchase process and vary by order size and region—our sales team will cover this in your quote. Because it's a sealed ceramic device with no moving parts, failures are extremely rare. Just install it correctly (away from the fuel sensor) and let it work.

Installation is non-invasive and straightforward, but we recommend having a qualified technician handle it to ensure optimal placement. The D51 unit is placed inside the fuel tank through the filler neck—no drilling, no engine modifications. The key is to position it away from the fuel level sensor float to avoid interfering with your gauge readings. For fleet deployments, your maintenance team can typically handle installation in under 30 minutes per vehicle once they're familiar with the process.

The D51 uses our proprietary Molecule Enhance Technology—a specially formulated ceramic core that emits far-infrared wavelengths. This energy gently breaks down fuel molecule clusters, reducing viscosity and improving atomization during combustion. There are no moving parts, no chemicals leaching into your fuel, and no electrical components. The ceramic is inert, non-reactive, and has been tested extensively by TÜV Rheinland, Taiwan, and multiple government fleet programs. It's completely safe for all diesel engine types, including modern common-rail and older mechanical injection systems.

The D51 works across all diesel engine generations—from older mechanical injection systems to the latest Euro VI / EPA-compliant engines. In fact, our field data from India's KSRTC government bus fleet showed that older BSII-compliant buses achieved BSIV emission levels after D51 installation, with emission reductions between 25–85% depending on vehicle condition. Newer engines benefit too, typically seeing better fuel efficiency gains (5–15% range) because their baseline combustion is already cleaner. The technology is fuel-system agnostic and requires zero ECU tuning or engine recalibration.

Commercial fleet data shows fuel efficiency improvements typically ranging from 5% to 25%, depending on vehicle age, maintenance condition, duty cycle, and driving habits. For example: IFFCO's UAE heavy-truck fleet (6 vehicles with 550L tanks) averaged 7.4% savings over sustained monthly operations. A Saudi logistics operator running long-haul routes recorded 18% improvement. Portugal's Volvo/Mercedes diesel fleet saw 6–8%. The older the vehicle and the worse its baseline combustion efficiency, the more dramatic the improvement tends to be. Your actual results will vary—we treat the first commercial order as your validation phase, not a guaranteed outcome.

No. Greentech operates on a commercial-order model—we do not provide free samples, risk-free pilots, or client-funded POCs. Your validation happens through your first commercial purchase. This policy protects our authorized distributors and ensures serious commitments from fleet operators. If you're evaluating the technology, we're happy to share third-party test reports (TÜV, , government fleet data) and connect you with reference customers in similar industries. Once you're ready to proceed, submit your fleet size, vehicle specs, and timeline, and our sales team (Rita) will provide commercial pricing.

Distributor-level pricing is only available for regions where we do not currently have an authorized partner. If you're interested in distributing Greentech products in your country or region, the first step is to provide us with a complete list of target territories (don't leave any out—we need the full scope). Our sales team will then check our existing distributor map and get back to you. For regions that already have authorized partners, we cannot offer overlapping distribution rights or matching pricing—that protects our current partners' investments. For open regions, we'll discuss terms based on your initial order volume, market development plan, and timeline. Contact us with your company details and target regions to start the qualification process.

The D51 has an operational lifespan of approximately 10 years under normal fleet conditions, and it requires zero maintenance—no filter changes, no refills, no recalibration. The ceramic core is engineered for long-term durability and does not degrade or lose effectiveness over time. Once installed, it works passively for the life of the product. This makes total cost of ownership extremely low: one upfront investment, a decade of fuel savings and emission reductions, with no ongoing service costs. For fleet budget planning, this typically translates to payback within 12–24 months depending on fuel consumption volume and regional diesel prices.

Each D51 unit ships as a complete system ready for installation—ceramic core module, protective casing, and installation guidelines. We ship worldwide to fleet operators, distributors, and EPC contractors. Shipping terms, lead times, and freight arrangements depend on order size and destination; our sales team will coordinate logistics once your order is confirmed. For large fleet deployments or multi-region distributor orders, we work with your preferred freight forwarder or arrange consolidated shipping to minimize costs. Note that installation itself is the responsibility of your maintenance team or contractor—we provide the hardware and technical support documentation, but installation labor is not included.

The D51 is engineered for diesel tanks in the 401–500L range (approximately 106–132 gallons). If your fleet uses dual-tank Class 8 tractors with combined capacity over 300 gallons, you'll typically need 2–3 units per vehicle. For smaller tanks (≤100L), consider our D10/D11 models; for 200L setups, the D20/D21 series is ideal.

No additives or chemicals. The D51 uses patented ceramic technology that emits far-infrared waves inside your fuel tank. These waves break down diesel molecule clusters, reducing viscosity and enabling finer atomization during combustion. The result: more complete burn, less waste, lower emissions. It's passive, maintenance-free, and lasts approximately 10 years.

Not at all. Installation is completely non-invasive — the ceramic device sits inside the fuel tank without touching engine components or fuel lines. No drilling, no wiring, no ECU reprogramming. Fleet operators worldwide deploy D51 units without affecting OEM warranties. Just ensure the unit is positioned to avoid the fuel-level float sensor.

Commercial fleet data shows 5–25% fuel efficiency improvement and up to 85% reduction in harmful emissions (HC, CO, NOx), depending on vehicle age, maintenance history, and duty cycle. For example, India's KSRTC bus fleet saw 8–10% efficiency gains and successfully upgraded BSII vehicles to BSIV emission standards; UAE's IFFCO trucks averaged 7.4% monthly savings; Saudi Arabia's Steady Routes reported 18% reductions. Actual results will vary — older, poorly maintained engines tend to see larger improvements.

Greentech holds certifications from TÜV Rheinland (Germany), Taiwan, Australia's DOTARS/Orbital (ADR-79/81), Ethiopia's ECAE, and Hong Kong Polytechnic University dyno testing. Real-world deployments include India's Karnataka State Road Transport Corporation (government fleet), UAE's IFFCO heavy-duty trucks, Portugal's Volvo/Mercedes fleets, Qatar's HydroLink concrete mixers, and Vietnam's Grab ride-hailing fleet (9.5% average savings). These are commercial operations, not free pilots.

We do not offer free trials, risk-free pilots, or client-funded proof-of-concept programs. Greentech is a B2B product — your first commercial order serves as the validation phase. If you're a fleet operator or prospective distributor, submit your fleet size, tank specs, and timeline for a commercial quote. Results-based contracts or performance guarantees are negotiated case-by-case during the contracting stage, not via this storefront.

Distributor-level pricing applies only to territories where we do not yet have an authorized partner. To protect existing distributors' rights, we cannot offer the same terms in regions already covered. Please provide your full target country/region list and company details; our business development team (Rita) will check availability for each territory and follow up with applicable pricing. If a region is already assigned, we'll discuss alternative collaboration models.

The ceramic core has an operational lifespan of approximately 10 years under normal conditions, with zero maintenance required — no filter changes, no refills, no inspections. Simply install it once and let it work passively for the life of the device. After a decade, performance may gradually decline; at that point, you can replace the unit to restore full efficiency.

No problem. Match each vehicle to the appropriate model: D-Ball for ≤20L (small gensets), D10/D11 for ≤100L (light trucks), D20/D21 for ≈200L (medium-duty), and D51 for 401–500L per unit (heavy-duty). For dual-tank Class 8 tractors (often 300+ gallons combined), install 2–3 D51 units. Submit your fleet breakdown (vehicle types, tank capacities, quantities) when requesting a quote, and we'll configure the optimal package.

Yes, we serve fleet operators and authorized distributors globally. Lead time and shipping depend on order size, destination, and stock availability. After you submit your requirements (fleet size, region, timeline), our team will provide a detailed quote including delivery estimate and freight options. For large fleet rollouts, we coordinate phased shipments to match your deployment schedule.